[LLVMbugs] [Bug 16947] New: Diagnose local class with template member

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16947

            Bug ID: 16947
           Summary: Diagnose local class with template member
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: paul_robinson at playstation.sony.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Clang does not diagnose a local class with a template member.
gcc does.

$ cat test.cpp
int test() {
  class A {
    template<typename T> class B {
      T t;
    };
  };
  return 0;
}
$ clang -c test.cpp
$ gcc -c test.cpp
test.cpp: In function 'int test()':
test.cpp:3:5: error: invalid declaration of member template in local class
$

[temp.mem]p2 seems clear: "A local class shall not have member templates."

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